That it statement is primarily based on studies on six,141 ladies in the feminine respondent document of your own 2017–2019 NSFG and expert-vides an improvement out of an early 2015–2017 NSFG writeup on current birth-control position (4). S. female old fifteen–44. This new fieldwork plan, interview fraud-tent, or other questionnaire steps resemble past surveys (5). NSFG is as you organized and you can financed from the National Cardiovascular system to own Fitness Analytics (NCHS) and some others of your U.S. Company off Health insurance and Individual Characteristics. All the estimates within statement try adjusted so you’re able to reflect the female house inhabitants aged 15–44 of one’s All of us in the midpoint from 2017–2019 choosing ( NSFG is actually 63.4% full, 65.2% to own female participants, and you may 61.4% having men participants.
Analytics because of it declaration have been introduced using the Questionnaire methods from inside the SAS software variation nine.4. Rates were com-pared using two-tailed t examination at 5% top. Zero alterations have been made to possess multiple comparisons.